Finding the Fourth Proportional to 3,742,298.07, 5,163,192.47 and 2,290,479.99
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Solution
The fourth proportional to 3,742,298.07, 5,163,192.47 and 2,290,479.99 is: 3,160,140.86
Step by Step Solution
- Step 1: Write the proportion equation
3,742,298.07 : 5,163,192.47 = 2,290,479.99 : x - Step 2: Convert to fraction form
3,742,298.07/5,163,192.47 = 2,290,479.99/x - Step 3: Cross multiply
3,742,298.07x = 5,163,192.47 × 2,290,479.99 - Step 4: Simplify right side
3,742,298.07x = 11,826,189,025,601.28 - Step 5: Solve for x
x = 11,826,189,025,601.28/3,742,298.07 - Step 6: Final answer
x = 3,160,140.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.